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09:23 Popular
How Presidents Govern: Crash Course Government And Politics #14

886 views / 0 likes - added 8 years ago

This week Craig Benzine talks about how the president gets things done. Filling the role of the executive branch is a pretty big job - much too big for just one person. It's so big that the president employees an entire federal bureaucracy! Today, we’re j
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07:00 Popular
How and Why We Read: Crash Course English Literature #1

1,120 views / 2 likes - added 9 years ago

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
10:33 Popular
Metabolism & Nutrition, Part 1: Crash Course A&P #36

1,095 views / 0 likes - added 8 years ago

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot
10:08 Popular
The Heart, Part 1 - Under Pressure: Crash Course A&P #25

1,311 views / 0 likes - added 8 years ago

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th
11:22
Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

385 views / 1 likes - added 4 years ago

This week we're continuing our discussion of William Shakespeare and looking at his comedies and romances. As well as something called problem plays. Some of his plays, they had problems. We'll also put on pants, escape to forest, and talk about Shakepear
09:54 Popular
Uniform Circular Motion: Crash Course Physics #7

1,344 views / 0 likes - added 7 years ago

Did you know that centrifugal force isn't really a thing? I mean, it's a thing, it's just not real. In fact, physicists call it a "Fictitious Force." Mind blown yet? To explore this idea further, this week Shini sits down with us to discuss centripetal fo
09:39 Popular
Market Economy: Crash Course Government And Politics #46

864 views / 1 likes - added 8 years ago

Today, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be controversial, some may even
03:31
The Ecliptic: Crash Course Kids #37.2

541 views / 0 likes - added 8 years ago

So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its cycle in the sky.
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08:36
Heat Transfer: Crash Course Engineering #14

369 views / 0 likes - added 4 years ago

Today were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital
07:31 Popular
The Protestant Reformation Explained: World History Review

718 views / 1 likes - added 8 years ago

A super fast, fun and focused look at the Protestant Revolution and role Martin Luther played in changing the history of the world. Subscribe to HipHughes to keep the universe aligned for free here https://www.youtube.com/user/hughesdv?
04:32 Popular
The Incredible History Of China's Terracotta Warriors - Megan Campisi And Pen-Pen Chen

1,084 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-incredible-history-of-china-s-terracotta-warriors-megan-campisi-and-pen-pen-chen In 1974, farmers digging a well near their small village stumbled upon one of the most important finds in archaeological histo
10:51 Popular
Psychological Research - Crash Course Psychology #2

807 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
06:59 Popular
Bureaucracy Basics: Crash Course Government And Politics #15

951 views / 0 likes - added 8 years ago

This week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA, these agencies were es
09:38
Casual Gaming: Crash Course Games #11

647 views / 0 likes - added 7 years ago

Today, we’re moving on from game consoles to talk about a bigger shift that was happening in the gaming industry. In the mid 2000s, we saw a proliferation of Internet accessible devices and with them gaming would expand to a new audience. We’re going to t
04:55
Sesame Street: Kermit Visits the First Classroom in History

697 views / 0 likes - added 7 years ago

We take you now to Kermit the Frog with another fast breaking news story. Kermit is speaking to us from the worlds first school room on the very first school day in history. Meet the very first school teacher in history and the very first school students
09:13 Popular
Anselm And The Argument For God: Crash Course Philosophy #9

805 views / 0 likes - added 8 years ago

Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument. -- “That’s a Neigh” David Goehring https://www.flickr
09:29 Popular
Equilibrium Equations: Crash Course Chemistry #29

736 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
07:38
Search And Seizure: Crash Course Government And Politics #27

695 views / 0 likes - added 8 years ago

This week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly this mean? Well, it's complicated. The police often need warrant
10:39
Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

296 views / 0 likes - added 4 years ago

Today were looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. Well explore how putting two different types N and P semiconductors together gives us electrical
04:09 Popular
Vacation Or Conservation (Of Mass): Crash Course Kids #23.1

4,175 views / 0 likes - added 8 years ago

So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids, Sabrina shows us how Co
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09:50 Popular
Aromatics and Cyclic Compounds - Crash Course Chemistry #42

1,778 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
05:07 Popular
Current Events: Crash Course Kids #34.1

1,248 views / 2 likes - added 8 years ago

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure
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10:25 Popular
Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

1,932 views / 0 likes - added 8 years ago

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe
10:26 Popular
Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

740 views / 0 likes - added 8 years ago

Our unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commo
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Deviled Bones - The History of Hot Wings

26 views / 0 likes - added 3 weeks ago

For a limited time only, get your first 6-bottle box, a $150+ value,for just $55. Follow my link https://bit.ly/BrightCellarsTastingFeb to take the quiz and see your personalized wine matches.SIGNED COPIES OF TASTING HISTORY https://www.dieselbookstore.co
10:35 Popular
The Physics of Music: Crash Course Physics #19

1,074 views / 0 likes - added 7 years ago

Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Music plays a big part in many of our lives. Whether you just like to listen or you enjoy playing an instrument, music is powerful. So what is music? How does
13:22 Popular
History of The Universe in 13,799 Dominoes

1,161 views / 4 likes - added 3 years ago

Follow me on twitter: www.twitter.com/kurtisbaute For a behind-the-scenes look at this video, check out my Podcast: http://dominouniverse.libsyn.com/01-the-domino-universe-starts-here If you set up a row of dominoes as a timeline of history from the Big B
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08:46
Designing the World of Film: Crash Course Film Production #9

609 views / 0 likes - added 6 years ago

Literally, ‘mise-en-scene’ means “placing on stage.” But in film, mise-en-scene encompasses everything the camera is capturing. The artists and crafts-people who work in Production Design, Wardrobe, and Hair and Makeup are responsible for setting the stag
09:47
Anti-Vaxxers, Conspiracy Theories & Epistemic Responsibility: Crash Course Philosophy #14

668 views / 1 likes - added 7 years ago

Today we explore what obligations we hold with our personal beliefs. Hank explains epistemic responsibility and the issues it raises with everything from religious belief, to ship owning, to vaccinations. -- Images via Wikimedia Commons, licensed under Cr
07:21
Shaping Public Opinion: Crash Course Government And Politics #34

551 views / 0 likes - added 8 years ago

So today Craig is going to talk about where our political opinions come from. Of course, most people’s politics are grounded in their ideologies, but there are also other external influences such as the government itself, interest groups, and the media. S
10:26 Popular
Ecology - Rules for Living on Earth: Crash Course Biology #40

2,202 views / 0 likes - added 9 years ago

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea
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07:15
Binging with Babish: Ice Cream Flavors from Avengers: Infinity War

495 views / 1 likes - added 4 years ago

Just in time to soothe your Avengers: Endgame withdrawal, we're taking a crack at the fictional Ben & Jerry's Avenger flavors. We like doing things in threes here at Babish Enterprises, so thanks to an ingenious Redditor comment, we're throwing a thir
04:11 Popular
A Fresh Future: Crash Course Kids #33.2

740 views / 5 likes - added 8 years ago

So, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about parasites, fish, and dams!
03:54
Where did History's Dentures Come From? | WHAT THE PAST

316 views / 1 likes - added 3 years ago

In order to understand how strange and creepy the history of false teeth truly is, we have to go all the way back to the beginning...Images used under license from Shutterstock.comNarrated by: Kayla RosenbergWritten & Directed by: Matt LevyEdited & Animat
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The Big History of Civilizations | The Great Courses

630 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/ What makes the Big History approach so unique? Whereas a traditional survey might take you through the major events of a period and introduce you to key dates and people (the “kings and battles” approach), Big History
14:41
Lets make a movie recommendation system: Crash Course AI #16

314 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1-v9cw18wTDjaCUlECKHsQnHeisLKyG8U We need to save Jabril and John Green Bots movie nights. Jabril generally likes action movies and John Green Bot likes romantic movies, but they need to find something
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VFX Expert Breaks Down The History of Shrinking People in Movies | WIRED

526 views / 1 likes - added 6 years ago

Downsizing VFX Supervisor Jamie Price breaks down the history of people miniaturization in movies. In this timeline, Price explains the special effects techniques like forced perspective, compositing, the Schüfftan process, rotoscoping, motion control, mo
10:07 Popular
Data Structures: Crash Course Computer Science #14

1,072 views / 0 likes - added 6 years ago

Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And it is this abilit
10:16
Why Moving People is Complicated: Crash Course Engineering #41

295 views / 0 likes - added 4 years ago

Transportation is a big part of our world and engineers play a big role in making it happen. Today well explore how transportation systems are designed and some things transportation engineers have to take into consideration, like signaling, user behavior
21:05
Step Dad and Birth Dad GO TO WAR, What Happens Next Is Shocking | Dhar Mann Studios

286 views / 0 likes - added 6 months ago

Don't forget to SUBSCRIBE to my channel by clicking here https://www.youtube.com/channel/UC_hK9fOxyy_TM8FJGXIyG8Q?sub_confirmation=1 Watch my favorite videos: https://www.youtube.com/playlist?list=PLnBCOhf_VBTVGGC7OryYH7wO87PCostB3REMEMBER - We're not jus
08:21 Popular
The Transcontinental Railroad Explained: US History Review

790 views / 2 likes - added 8 years ago

Join me as we lay down the tracks of learning by covering the basics on the Transcontinental Railroad built during the 1860's. Perfect for students and lifelong learners. Please help align what is right in the universe and subscribe to some HipHughes Hist
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10:59
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3

622 views / 0 likes - added 9 years ago

Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to ch
14:05 Popular
Gamma-Ray Bursts: Crash Course Astronomy #40

770 views / 1 likes - added 8 years ago

Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and short. Long ones are fr
03:19 Popular
The Dirt On Decomposers: Crash Course Kids #7.2

2,128 views / 3 likes - added 8 years ago

We've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour
10:36 Popular
The Nervous System, Part 1: Crash Course A&P #8

1,171 views / 1 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can aff
09:04 Popular
Blood Vessels, Part 2: Crash Course A&P #28

1,467 views / 0 likes - added 8 years ago

And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with high blood pressur
06:35 Popular
Seeing Stars: Crash Course Kids

786 views / 0 likes - added 8 years ago

***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st
10:26 Popular
Economics Of Education: Crash Course Economics #23

801 views / 0 likes - added 8 years ago

How does education work? Where does the money come from? Who pays for it? Is going to college a good investment? Adriene and Jacob are talking today about the economics of education. Most countries require that their citizens get some education, and most
23:02 Popular
Liberty's Kids HD 108 - The Second Continental Congress | History Cartoons for Children

1,316 views / 5 likes - added 4 years ago

Liberty's Kids HD 108 - The Second Continental Congress | History Cartoons for ChildrenSubscribe to Liberty's Kids : http://bit.ly/2ivIdi6 Discover the history of George Washington for Kids!The colonies decide they need a national army. John Adams nominat
09:39 Popular
Natural Law Theory: Crash Course Philosophy #34

1,001 views / 0 likes - added 7 years ago

Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason
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Ugly history: Japanese American incarceration camps - Densho

594 views / 0 likes - added 4 years ago

Dig into the historic injustice of Japanese American incarceration camps, also known as internment camps, during World War II. --On December 7, 1941, 16 year-old Aki Kurose shared in the horror of millions of Americans when Japanese planes attacked Pearl
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Freedom Of The Press: Crash Course Government And Politics #26

788 views / 0 likes - added 8 years ago

Today, Craig is going to finish up our discussion of the First Amendment with freedom of the press. Like an individual's right to free speech, the press has a right, and arguably responsibility, to tell the public what the government is doing. But of cour
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06:48 Popular
Freedom Of Religion: Crash Course Government And Politics #24

744 views / 2 likes - added 8 years ago

Today, Craig is going to take a look at the First Amendment and your right to freedom of religion. We’ll examine some significant Supreme Court decisions and talk about how they’ve affected our interpretations of the law with respect to stuff like animal
10:44 Popular
Electronic Computing: Crash Course Computer Science #2

760 views / 0 likes - added 7 years ago

So we ended last episode at the start of the 20th century with special purpose computing devices such as Herman Hollerith’s tabulating machines. But as the scale of human civilization continued to grow as did the demand for more sophisticated and powerful
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Doing Solids: Crash Course Chemistry #33

1,098 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
09:30 Popular
Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27

1,398 views / 0 likes - added 8 years ago

Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in dif
06:08 Popular
History vs. Che Guevara - Alex Gendler

702 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-vs-che-guevara-alex-gendler His face is recognized all over the world – the young medical student who became a revolutionary icon. But was Che G
08:46 Popular
Election Basics: Crash Course Government And Politics #36

739 views / 0 likes - added 8 years ago

This week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem particularly plausible. So to
Gas Giants Weather: Crash Course Kids #43.2

199 views / 0 likes - added 2 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
08:54 Popular
Social Policy: Crash Course Government And Politics #49

1,980 views / 2 likes - added 8 years ago

Today, Craig is going to talk about social policy - in the United States this means achieving one of three goals: protecting Americans from risk, promoting equal opportunity, or assisting the poor. Many Americans strongly believe in individualism, that is
05:41
A brief history of plastic

376 views / 0 likes - added 3 years ago

Trace the history of the invention of plastic, and how the material ushered in what became known as the plastics century.--For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decl
05:56 Popular
Weather In Space (the Rocky Planets): Crash Course Kids #43.1

946 views / 4 likes - added 8 years ago

Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on the rocky planets in
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Let's Build A City: Crash Course Kids #48.1

802 views / 3 likes - added 8 years ago

So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need to think about whe
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13:25
The Savory History Of The McMuffin

26 views / 0 likes - added 3 weeks ago

Take a trip with Weird History Food, to the very germ of an idea that was breakfast sandwhiches. Though we have all lost count of exactly how many delectable Egg McMuffins we have all consumed, is hard to imagine a world in which Egg McMuffins just did no
08:14 Popular
Legal System Basics: Crash Course Government And Politics #18

1,142 views / 1 likes - added 8 years ago

This week Craig Benzine takes a first look at the judicial branch. It's pretty easy to forget that the courts, and the laws that come out of them, affect our lives on a daily basis. But how exactly these decisions are made and where each law's jurisdictio
10:41 Popular
Muscles, Part 2 - Organismal Level: Crash Course A&P #22

1,376 views / 1 likes - added 8 years ago

Hank calls in a friend to do his push ups for him today to explain how skeletal muscles work together to create and reverse movements. Hank and Claire also demonstrate the role size plays in motor units, the three phase cycle of muscle twitches, and how t
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Boy Scouts PRANK WAR Girl Scouts, What Happens Is Shocking | Dhar Mann

624 views / 1 likes - added 1 year ago

Download my FREE mobile app App Store = https://apple.co/3nhvjapGoogle Play = https://bit.ly/3DRzS1I Don't forget to SUBSCRIBE to our channel by clicking here https://www.youtube.com/channel/UC_hK9fOxyy_TM8FJGXIyG8Q?sub_confirmation=1 **Make sure you CLIC
03:22
Harriet Tubman: "Spying on the Man" | SUNG HISTORY

308 views / 0 likes - added 1 year ago

You think you know this American hero, but trust me, you have no idea. CLICK HERE FOR MORE SUNG HISTORY: http://bit.ly/20RsTAkGet the whole "Sung History" album on iTunes: http://apple.co/1mUatwcGet the whole "Sung History" album on CD Baby: http://bit.ly
04:32 Popular
Organizing Properties: Crash Course Kids #35.1

751 views / 1 likes - added 8 years ago

Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though these groups are total
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04:42 Popular
The Life Hydrologic: Crash Course Kids #30.2

954 views / 0 likes - added 8 years ago

Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go. Watch More Crash Course Kids: h
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04:09 Popular
The Zodiac Constellations: Crash Course Kids #37.1

902 views / 2 likes - added 8 years ago

We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio? You've heard of them
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04:43 Popular
A brief history of banned numbers - Alessandra King

826 views / 2 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brief-history-of-banned-numbers-alessandra-king They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religiou
08:20 Popular
Network Solids and Carbon: Crash Course Chemistry #34

929 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
09:56
Sociology & the Scientific Method: Crash Course Sociology #3

604 views / 0 likes - added 7 years ago

What puts the “science” in social science? Today we’ll explore positivist sociology and how sociologists use empirical evidence to explore questions about the social world. We’ll also introduce two alternatives: interpretative sociology and critical socio
10:24
Nuclear Physics: Crash Course Physics #45

642 views / 0 likes - added 7 years ago

Take the PBS Digital Studios annual survey: http://surveymonkey.com/r/pbsds2017 It's time for our second to final Physics episode. So, let's talk Einstein and Nuclear Physics. What does E=MC2 actually mean? Why is it so useful to us as physicists and huma
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Social Class & Poverty in the US: Crash Course Sociology #24

593 views / 1 likes - added 6 years ago

Today we’re breaking down the five different social class in the United States: the upper class, the upper middle class, the average middle class, the working class, and the lower class. We’ll also go over what poverty looks like in the United States. Cra
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How To Survive A Plane Crash!? - Myths Debunked

706 views / 0 likes - added 5 years ago

It's something we've all worried about - will the plane you’re on crash in a horrible accident killing everyone on board? But is the brace position we’re all told to use actually designed to kill us? And where exactly should you sit on a plane to increase
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Metals & Ceramics: Crash Course Engineering #19

1,149 views / 0 likes - added 4 years ago

Today well explore more about two of the three main types of materials that we use as engineers: metals and ceramics. Well discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. Well also look at the applications of our
04:43 Popular
Gas Giants Weather: Crash Course Kids #43.2

754 views / 1 likes - added 8 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
09:22 Popular
Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9

1,854 views / 1 likes - added 8 years ago

Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles. Like Crash Course! http://www.facebook.com/YouTubeCrashCourse Follow Cras
09:03
Leonardo DiCaprio & The Nature Of Reality: Crash Course Philosophy #4

697 views / 0 likes - added 8 years ago

Today Hank gains insight from that most philosophical of figures...Leonardo DiCaprio. In this episode, we’re talking about the process of philosophical discovery and questioning the relationship between appearance and reality by taking a look at Plato’s f
03:08
WWI restored and colored footage 100 years old. End of war announced.

455 views / 0 likes - added 5 years ago

This scene is from the movie. "They Shall not Grow Old" by Peter Jackson. The footage you're seeing is real authentic film produced in color with the latest film technology.
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Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

340 views / 0 likes - added 4 years ago

There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th
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History Brought To Life With Breathtaking Colorizations

564 views / 0 likes - added 3 years ago

Hi everyone and nice to see you back. The following video is brought to you in collaboration with Jecinci Colorizations. Jecinci is an architect and 3D artist from Romania with a passion for colorizing black and white photos from history. Few years back h
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The Physics of Heat: Crash Course Physics #22

1,117 views / 0 likes - added 7 years ago

Have you ever wondered why we wear clothes? I mean, beyond the obvious. Why does wearing a jacket in the cold keep your warmer? What is happening to all the heat inside your body? In this episode of Crash Course Physics, Shini talks about the Physics of h
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The Ideal Gas Law: Crash Course Chemistry #12

1,154 views / 0 likes - added 9 years ago

Gases are everywhere, and this is good news and bad news for chemists. The good news: when they are behaving themselves, it's extremely easy to describe their behavior theoretically, experimentally and mathematically. The bad news is they almost never beh
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Indiana Jones & Pascal's Wager: Crash Course Philosophy #15

684 views / 0 likes - added 7 years ago

Today we conclude our unit on Philosophy of Religion and Hank gets a little help from Indiana Jones to explain religious pragmatism and Pascal’s Wager, fideism, and Kierkegaard’s leap to faith. -- “Indiana Jones” © Copyright Walt Disney Studios All other
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Affirmative Action: Crash Course Government And Politics #32

671 views / 0 likes - added 8 years ago

So we've been talking about civil rights for the last few episodes now, and we're finally going to wrap this discussion up with the rather controversial topic of affirmative action. We'll explain what exactly affirmative action is, who it is for, and why
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Introduction To Intellectual Property: Crash Course IP 1

819 views / 0 likes - added 9 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
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Gotta Eat! - Crash Course Kids 1.1

1,170 views / 2 likes - added 8 years ago

Welcome to Crash Course Kids. In this first episode, Sabrina takes a look at why all living things need to eat. Plus, she shows you a way to investigate why all living things need to eat. This first series is based on 5th grade science. We're super excite
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Aliens: Crash Course Film Criticism

645 views / 0 likes - added 6 years ago

James Cameron rocketed onto the action film scene with 1984's "The Terminator" and followed that up with a highly anticipated sequel to the 1979 film, "Alien." His film, "Aliens," would go on to not only be a financial success, but a critical one and has
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Interest Group Formation: Crash Course Government And Politics #43

621 views / 1 likes - added 8 years ago

So last week we talked about what special interest groups are and how they influence the political system, and today we’re going to focus on why we even have them in the first place. As to avoid getting too cynical, we’re going to focus on five benefits o
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Autonomic Nervous System: Crash Course A&P #13

1,513 views / 1 likes - added 9 years ago

Hank takes you on a tour of your two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences - where ner
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Discrimination: Crash Course Government And Politics #31

680 views / 1 likes - added 8 years ago

Today, Craig is going to wrap up our discussion of discrimination by looking more closely at those “discrete and insular minorities” referenced in the 14th Amendment. We’ll talk about instances of discrimination of Asian, European, and Latino immigrants,
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The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

857 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev
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How Not to Set Your Pizza on Fire: Crash Course Engineering #15

305 views / 0 likes - added 4 years ago

Today were going to explain how exchangers...exchange heat. Well look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And well look at some equations to help us sort through heat transfer and decide what heat
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Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

352 views / 0 likes - added 4 years ago

Engineering, like life, could really use a lot more cheese. This week we are looking at a cheese factory in Toronto and what it can teach us about process control systems. Well explore feedforward and feedback systems, and see how integrating them both wi
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The Science Of Lunch: Crash Course Kids #15.2

3,583 views / 2 likes - added 8 years ago

Even an empty lunch sack is useful to science. You can examine it and come up with some traits. In this episode, Sabrina chats about things like malleability, hardness, conductivity, and magnetism. And all with lunch! This first series is based on 5th gra
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Locke, Berkeley, & Empiricism: Crash Course Philosophy #6

749 views / 0 likes - added 8 years ago

This week we answer skeptics like Descartes with empiricism. Hank explains John Locke’s primary and secondary qualities and why George Berkeley doesn’t think that distinction works -- leaving us with literally nothing but our minds, ideas, and perceptions
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The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

1,267 views / 0 likes - added 8 years ago

Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle do
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Urinary System, Part 2: Crash Course A&P #39

1,623 views / 2 likes - added 8 years ago

As we promised last week, we're not quite done talking about your pee yet. Today Hank explains how the urinary system regulates the production of urine, by maintaining a study glomerular flow rate. He'll also cover the anatomy of storing and excreting uri
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The Irish Potato Famine Explained: World History Review

997 views / 1 likes - added 8 years ago

A short history of the Irish Potato Famine which hit Ireland from 1844-1849. Perfect for students, life long learners and the cray cray on the internets. Subscribe to HipHughes to keep the universe aligned for free here https://www.youtube.com/user/hughes
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Jandro on Penn & Teller FOOL US : FASTEST FOOLER IN HISTORY

2,326 views / 0 likes - added 4 years ago

Jandro from Spain leaves speachless Penn and Teller on Fool Us and becomes the fastest fooler of magic history with his amazing international coincidence between Juan Tamariz and Penn &Teller.
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Sex Discrimination: Crash Course Government And Politics #30

734 views / 1 likes - added 8 years ago

Today, Craig is going to talk about employment discrimination, and we're going to focus primarily on women in the workforce. Discrimination against women tends to be handled somewhat differently in the courts as they are not a minority. Even so, the court
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Due Process Of Law: Crash Course Government And Politics #28

726 views / 0 likes - added 8 years ago

This week Craig is going to continue our discussion of due process. Technically, we started last week with the 4th amendment and search and seizure, but this week we’re going to look at the 5th and 6th amendments and how they ensure a fair trial. We’ll ta
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The History of the Big Mac

126 views / 0 likes - added 1 year ago

Weird History Food is discussing the Big Mac. Everyone's favorite burger at McDonald's, the Big Mac is probably the most iconic-looking sandwich out there. We're going to take a look back at Mac's early origins, its surprising tie-in to Bob's Big Boy, and
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A brief history of divorce - Rod Phillips

244 views / 0 likes - added 3 years ago

Dig into the complicated history of divorce from the earliest known divorce laws in ancient Mesopotamia to modern day. --Formally or informally, human societies across place and time have made rules to bind and dissolve couples. The stakes of who can obta
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Neural Networks: Crash Course Statistics #41

942 views / 0 likes - added 4 years ago

Today we're going to talk big picture about what Neural Networks are and how they work. Neural Networks, which are computer models that act like neurons in the human brain, are really popular right now - they're being used in everything from self-driving
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Meet Erin DiMeglio, A History Making Female Quarterback

745 views / 1 likes - added 9 years ago

Erin DiMeglio, an 18-year-old from Florida's South Plantation High School is making history this season by being the first female to play quarterback in a high school game.
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Cartesian Skepticism - Neo, Meet Rene: Crash Course Philosophy #5

1,004 views / 0 likes - added 8 years ago

This week Hank introduces skepticism, exploring everything from the nature of reality through the eyes of a 17th century philosopher and, of course, The Matrix. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commons by 4
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The dark history of werewolves - Craig Thomson

90 views / 0 likes - added 6 months ago

Explore how werewolves have evolved in folklore, literature, and pop culture throughout history, and where these stories originated.--Stories of werewolves have existed for thousands of years and continue to live on today. Theyre especially prominent in E
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Operating Systems: Crash Course Computer Science #18

756 views / 0 likes - added 6 years ago

Get 10% off a custom domain and email address by going to https://www.hover.com/CrashCourse. So as you may have noticed from last episode, computers keep getting faster and faster, and by the start of the 1950s they had gotten so fast that it often took l
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Media Institution: Crash Course Government And Politics #44

687 views / 0 likes - added 8 years ago

So today we're going to look at the rather thorny issue of the media and its role in politics. Wether you're talking about older forms of media like newspapers and radio or newer forms like television and the Internet, all media serves the same purpose -
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Conservation And Restoration Ecology: Crash Course Ecology #12

631 views / 0 likes - added 8 years ago

Hank wraps up the Crash Course on ecology by taking a look at the growing fields of conservation biology and restoration ecology, which use all the kung fu moves we've learned about in the past eleven weeks and apply them to protecting ecosystems and to c
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BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

584 views / 0 likes - added 6 years ago

David, Paige, and Jake cover the fascinating history of the possessive apostrophe. Stay tuned for this bonus video! Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/v/bonus-history-of-the-ap
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A brief history of sausages | Edible Histories Episode 8 | BBC Ideas

245 views / 1 likes - added 3 years ago

What are sausages made of? And where do sausages come from? From saveloys to toad-in-the-hole, food historian Annie Gray chews over the history of this ever-popular food - the sausage.Made by Somethin' ElseLooking for more to sink your teeth into? Find ou
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Media Regulation: Crash Course Government And Politics #45

628 views / 0 likes - added 8 years ago

Today we wrap up our discussion of the media by talking about how the government interacts with and influences the content we see. Now it may be easy to assume that because we live in a free-market capitalist society, the only real regulation of the media
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Gerrymandering: Crash Course Government And Politics #37

744 views / 1 likes - added 8 years ago

Today Craig is going to talk about a topic that makes voters and politicians alike ANGRY! We're going to talk about Gerrymandering - that is the process in which voting districts are redrawn in a way to favor one party during elections. As you'll see, thi
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Equal Protection: Crash Course Government And Politics #29

754 views / 1 likes - added 8 years ago

Today, Craig is going to talk about the most important part of the Constitution - the Fourteenth Amendment. In particular, we're going to discuss the "equal protection" clause and how it relates to our civil rights. So we've spent the last few episodes ta
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pH and pOH: Crash Course Chemistry #30

909 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

1,273 views / 2 likes - added 8 years ago

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m
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Freedom Of Speech: Crash Course Government And Politics #25

750 views / 1 likes - added 8 years ago

Today, FINALLY, Craig is going to talk about Free Speech! Now, free speech is so important because it not only allows you to critique the government, but it also protects you from the government. But it's essential to remember that not ALL speech is prote
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The most important century in human history

104 views / 0 likes - added 1 year ago

Is the 21st century the most pivotal time in human history? Explore how the decisions we make now may impact humanitys future.--Is it possible that this century is the most important one in human history? The 21st century has already proven to be a period
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Political Ideology: Crash Course Government And Politics #35

882 views / 1 likes - added 8 years ago

So today Craig is going to look at political ideology in America. We're going to focus on liberals and conservatives and talk about the influencers of both of these viewpoints. Now, it's important to remember that political ideologies don't always perfect
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The Greasy History Of Denny's

37 views / 0 likes - added 3 weeks ago

Today on Weird History we will delve deep into the past of everyone's beloved late night dining spot, Denny's. After a concert, having the munchies after a party, or whatever the reason, Denny's has always been a great all night option. Join us as we walk
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Building a Desalination Plant from Scratch: Crash Course Engineering #44

313 views / 0 likes - added 4 years ago

An essential part of engineering is engineering design. Today well see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. Well explain the need test things on a smaller scal
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Nomenclature - Crash Course Chemistry #44

1,359 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Memory: Crash Course Study Skills #3

579 views / 0 likes - added 6 years ago

This episode is sponsored by The Great Courses Plus. Start your free one-month trial today (and let The Great Courses Plus know we sent you!): http://ow.ly/faUN30db5c7 An essential part of learning and studying is remembering things, so this week Thomas e
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Tour the Hall of Saurischian Dinosaurs at the American Museum of Natural History!

364 views / 0 likes - added 3 years ago

Visit your favorite theropods, maniraptors, and more during this live tour of the Hall of Saurischian Dinosaurs with Museum guide Andrew Epstein, who offers highlights and fun facts, and fields viewer questions. #LearnWithMe #AMNH #Dinosaur #Museum #Trex
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Let's Take A Hike: Crash Course Kids #30.1

914 views / 2 likes - added 8 years ago

Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and moorlands. Let's take a
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This NASA Mission Uses Cold War Planes To Map The World's Largest Island

483 views / 0 likes - added 6 years ago

Greenland loses close to 100 million Olympic size swimming pools of water per year. We know that statistic thanks to this critical NASA mission. Einstein’s Brain Was Stolen and Chopped Up Into Tiny Pieces...For Science?! https://www.youtube.com/watch?v=sQ
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Man Born in 1846 Talks About the 1860s and Fighting in the Civil War - Enhanced Audio

144 views / 0 likes - added 12 months ago

Julius Franklin Howell (January 17, 1846 - June 19, 1948) joined the Confederate Army when he was 16. After surviving a few battles, he eventually found himself in a Union prison camp at Point Lookout, Maryland. In 1947, at the age of 101, Howell made thi
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Urinary System, Part 1: Crash Course A&P #38

984 views / 1 likes - added 8 years ago

Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrat
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Landforms, Hey!: Crash Course Kids #17.1

1,900 views / 8 likes - added 8 years ago

If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and they come in differen
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Software Engineering: Crash Course Computer Science #16

1,016 views / 0 likes - added 6 years ago

Today, we’re going to talk about how HUGE programs with millions of lines of code like Microsoft Office are built. Programs like these are way too complicated for a single person, but instead require teams of programmers using the tools and best practices
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How To Get Resources - Picky Pineapples: Crash Course Kids #2.2

1,506 views / 1 likes - added 8 years ago

Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids, Sabrina talks about how
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Reading Assignments: Crash Course Study Skills #2

516 views / 0 likes - added 6 years ago

Leaving the bookstore at the beginning of the semester you’re probably wondering how the heck you’re going to get through all of that reading. Today we’re explaining how much of that reading you really need to do and the best strategies for making your wa
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Black History Month | Who Inspires You? | Nick

647 views / 1 likes - added 7 years ago

Nickelodeon is celebrating Black History Month, and we're honoring those who are breaking boundaries and making history. This month, we're honoring Gordon Bellamy, Elaine Welteroth, Marcus Samuelsson, Misty Copeland, and more. For more information on our
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Language & Meaning: Crash Course Philosophy #26

972 views / 1 likes - added 7 years ago

Today we start our unit on language with a discussion of meaning and how we assign and understand meaning. We’ll cover sense and reference, beetles in boxes, and language games. We’re also getting into the meaning-making game ourselves: bananas are now ch
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Binary - Representing Numbers and Letters: Crash Course Computer Science #4

1,469 views / 0 likes - added 7 years ago

Today, we’re going to take a look at how computers use a stream of 1s and 0s to represent all of our data - from our text messages and photos to music and webpages. We’re going to focus on how these binary values are used to represent numbers and letters,
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Let's make an AI that destroys video games: Crash Course AI #13

296 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1uYXTDeBbPeuJfM1teufZ9nUaiRIN9nHW Today we create a game and then build an AI to destroy it. Our game is called TrashBlaster, and its like Asteroids but with trash in the ocean, and instead of a spaces
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Nuclear Chemistry: Crash Course Chemistry #38

749 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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History of Kenneth! | Craig of the Creek | Cartoon Network

92 views / 0 likes - added 10 months ago

Watch Craig of the Creek on Cartoon Network and HBOMax. The first King of the Forest, it's time we learned about Kenneth's history!Episodes: Fan or Foe, Capture The Flag Part 3, In Search of Lore, Craig of The CampusAbout Cartoon Network:Welcome to Cartoo
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Mass Separation: Crash Course Engineering #17

414 views / 0 likes - added 4 years ago

It can be really important to separate out chemicals for all kinds of reasons. Today were going over three different processes engineers use to achieve that separation: distillation, which separates substances based on their different boiling points; liqu
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Digitizing Black History, Before Its Too Late

306 views / 0 likes - added 3 years ago

This video was created in partnership with Ancestry. Subscribe here: http://freeth.ink/youtube-subscribe-ancestryThe digitization of African American genealogy records is allowing more Americans the chance to unlock their heritage and family history. For
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Dinosaur Pee?: Crash Course Kids #24.2

861 views / 3 likes - added 8 years ago

Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed system. No water comes
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History of the Hashtag

54 views / 0 likes - added 7 months ago

Everyday, millions of people around the world use hashtags to sift through the Internets endless content but where did this ubiquitous symbol actually come from?Untold is a free collection of short, compelling, history videos and animations designed to en
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A brief history of toilets - Francis de los Reyes

301 views / 2 likes - added 2 years ago

Explore the history of the toilet and how waste management has evolved from from ancient Mesopotamia to modern day.--On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending to more urgent business at the public la
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History vs. Henry VIII - Mark Robinson and Alex Gendler

653 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/history-vs-henry-viii-mark-robinson-and-alex-gendler He was a powerful king whose break with the church of Rome would forever change the course of Engli
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Sociology Research Methods: Crash Course Sociology #4

701 views / 0 likes - added 7 years ago

Today we’re talking about how we actually DO sociology. Nicole explains the research method: form a question and a hypothesis, collect data, and analyze that data to contribute to our theories about society. Crash Course is made with Adobe Creative Cloud.
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The History of Video

572 views / 0 likes - added 5 years ago

I always wanted to know why film looked better than video. Moving electronic images have as long a history but were invented for a different purpose. This video was sponsored by B&H Photo: https://www.bhphotovideo.com Huge thanks to: Richard Diehl, Video
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Liberty's Kids | 137 - The Man Who Wouldn't Be King | History Cartoons for Children

771 views / 3 likes - added 4 years ago

Subscribe to Liberty's Kids : http://bit.ly/2ivIdi6 Discover the history of George Washington for Kids!Benjamin Franklin enlists the help of young people to record the happenings leading up to and during the Revolution for his newspaper the Pennsylvania G
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Card Games: Crash Course Games #13

748 views / 0 likes - added 7 years ago

Today, we’re going to step away from video games and take a closer look at a game type that has been with us for over a millennium - card games. Since Tang Dynasty China, cards have proven to have quite the staying power spawning a countless variety of ga
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Part(icles) Of Your World: Crash Course Kids #3.2

4,679 views / 6 likes - added 8 years ago

Have you ever heard the phrase, "You look like a Million Bucks?" Well, you do... but you also look like a million particles. In this episode, Sabrina talks to us about matter and particles and that all matter is made up of particles. Also, she shows us ho
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Judicial Decisions: Crash Course Government And Politics #22

650 views / 1 likes - added 8 years ago

Today, Craig Benzine is going to dive into the factors that influence judicial decisions. As you may have noticed, the Supreme Court recently handed down some pretty big decisions on same-sex marriage (in Obergefell v Hodges) and the Affordable Care Act (
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Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

1,136 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ashley FROM: Fee Happy birthday nerd also I love you lots and lots *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if y
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Judicial Review: Crash Course Government And Politics #21

1,189 views / 0 likes - added 8 years ago

Today, Craig Benzine is going to tell you about the Supreme Court's most important case, Marbury v. Madison, and how the court granted itself the power of judicial review. Judicial review is the power to examine and invalidate actions of the legislative a
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Video Game History | Mario, Minecraft & More! | Kids Wiki

1,727 views / 8 likes - added 8 years ago

For today’s Wiki project learn all about the history of video games! Video games have been around since the 1940s ⎯ that’s somewhere between dinosaurs and smartphones. Today we have video games that look almost like real life, video games where you can bu
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The most notorious scientific feud in history - Lukas Rieppel

192 views / 0 likes - added 2 years ago

Get to know one of the most infamous scientific rivalries in history, known as the Bone Wars, where two scientists competed to find dinosaur fossils.--After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to preciou
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Cats Vs Dogs? Let's make an AI to settle this: Crash Course Ai #19

336 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1N5IdMTmiNbwEOD8dqammN8GAfpk41arwToday, in our final lab, Jabril tries to make an AI to settle the question once and for all, "Will a cat or a dog make us happier?" But in building this AI, Jabril will
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Programming Basics: Statements & Functions: Crash Course Computer Science #12

1,170 views / 0 likes - added 6 years ago

Today, Carrie Anne is going to start our overview of the fundamental building blocks of programming languages. We’ll start by creating small programs for our very own video game to show how statements and functions work. We aren’t going to code in a speci
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Machine Learning & Artificial Intelligence: Crash Course Computer Science #34

536 views / 0 likes - added 6 years ago

So we've talked a lot in this series about how computers fetch and display data, but how do they make decisions on this data? From spam filters and self-driving cars, to cutting edge medical diagnosis and real-time language translation, there has been an
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Hackers & Cyber Attacks: Crash Course Computer Science #32

675 views / 1 likes - added 6 years ago

Today we're going to talk about hackers and their strategies for breaking into computer systems. Now, not all hackers are are malicious cybercriminals intent on stealing your data (these people are known as Black Hats). There are also White Hats who hunt
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Food Webs: Crash Course Kids #21.2

1,623 views / 4 likes - added 8 years ago

Last time we put a Polar Bear in the desert and we still feel bad about that, but there's a lot more going on in ecosystems than just temperature. In fact, there are so many elements in ecosystems, that if just one leaves or gets out of whack, it can be t
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Buffers, the Acid Rain Slayer: Crash Course Chemistry #31

1,014 views / 2 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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What was the Biggest Empire in History?

210 views / 0 likes - added 2 years ago

In this video, I set out to answer what was the biggest empire in history. To answer this question you have to first define how you're measuring "biggest". I tried my best to create this video. Hopefully, the next video will be better. Music: Desert City
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Instructions & Programs: Crash Course Computer Science #8

634 views / 1 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a
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Natural Language Processing: Crash Course Computer Science #36

632 views / 0 likes - added 6 years ago

Today we’re going to talk about how computers understand speech and speak themselves. As computers play an increasing role in our daily lives there has been an growing demand for voice user interfaces, but speech is also terribly complicated. Vocabularies
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Social Stratification in the US: Crash Course Sociology #23

576 views / 0 likes - added 6 years ago

Social class in America is... hard to talk about. As Sociology, the difficulty lies in pinning down what we mean by "Social Class." In this episode of Crash Course Sociology, Nicole chats to us about how Sociologists figure this out so we can all have a c
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Nonexistent Objects & Imaginary Worlds: Crash Course Philosophy #29

597 views / 0 likes - added 7 years ago

Today we transition between units on language and aesthetics with a discussion of nonexistent and imaginary objects. Is it possible to make true assertions about things that aren’t real? We’ll explore Meinong’s Jungle and the concept of a universe of disc
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Queen Elizabeth I: "Boyfriends Are Trouble" | SUNG HISTORY

685 views / 2 likes - added 6 years ago

Queen Elizabeth I ruled England for 44 years. How did she manage that? She did it alone! CLICK HERE FOR MORE SUNG HISTORY: http://bit.ly/20RsTAk Get "Boyfriends Are Trouble" on iTunes: http://apple.co/1mUatwc Get the whole "Sung History" album on iTunes:
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Intro to Algorithms: Crash Course Computer Science #13

964 views / 0 likes - added 6 years ago

Algorithms are the sets of steps necessary to complete computation - they are at the heart of what our devices actually do. And this isn’t a new concept. Since the development of math itself algorithms have been needed to help us complete tasks more effic
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What's My Property: Crash Course Kids #35.2

1,176 views / 0 likes - added 8 years ago

What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which means they can’t
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English Theater After Shakespeare: Crash Course Theater #17

351 views / 0 likes - added 4 years ago

You can learn more about CuriosityStream at https://curiositystream.com/crashcourseThis week on Crash Course Theater, Shakespeare is dead. Long live Shakespeare. Well, long live English theater, anyway. Actually, it's about to get banned. Anyway, we're di
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Focus & Concentration: Crash Course Study Skills #5

830 views / 0 likes - added 6 years ago

Sign up for your FREE trial of The Great Courses Plus here: http://ow.ly/PhPe30egcrb Have you ever noticed how easy it is to get distracted while studying – even when you know you really don’t have time for Facebook, Snapchat, Cookie Clicker, or whatever
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How Seawater Sabotages Ships: Crash Course Engineering #43

1,132 views / 0 likes - added 4 years ago

This week were headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean? How can large maritim
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Advanced CPU Designs: Crash Course Computer Science #9

561 views / 0 likes - added 7 years ago

So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! Some of that improvement, of course, has come from faster and more e
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Ancient Games: Crash Course Games #2

733 views / 0 likes - added 8 years ago

From the ancient Egyptian game of Senet to the Aztec’s Patolli, games have been played since the beginning of civilization. Today, your host Andre Meadows is going to take a look at a few of these games, including some that are actually still played today
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Monetary And Fiscal Policy: Crash Course Government And Politics #48

814 views / 0 likes - added 8 years ago

Today, Craig is going to dive into the controversy of monetary and fiscal policy. Monetary and fiscal policy are ways the government, and most notably the Federal Reserve, influences the economy - for better or for worse. So we’re going to start by lookin
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The History of the Rainbow Flag

80 views / 1 likes - added 7 months ago

The rainbow flag is one of the most recognisable symbols in the world, synonymous with tolerance and LGBTQ+ rights. But how was it created?Untold is a free collection of short, compelling, history videos and animations designed to engage new audiences in
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Blood, Part 1 - True Blood: Crash Course A&P #29

1,812 views / 0 likes - added 8 years ago

Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma -- as well as the
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The hidden history of Hand Talk

170 views / 0 likes - added 1 year ago

The hidden history of an ancient language.Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjO Centuries before we had American Sign Language, Native sign languages, broadly known as Hand Talk, were thriving across North
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Why is February Black History Month? | COLOSSAL QUESTIONS

259 views / 0 likes - added 2 years ago

Every year in February, America celebrates Black History Month, but have you ever stopped and wondered... why is it in February??Images used under license from Shutterstock.comWelcome to Colossal Questions, the show that answers all of life's most pressin
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Stress, Strain & Quicksand: Crash Course Engineering #12

772 views / 0 likes - added 4 years ago

Today were talking all about fluid mechanics! Well look at different scales that we work with as engineers, mass and energy transfers, the no-slip condition, stress and strain, Newtons law of viscosity, Reynolds number, and more!Crash Course Engineering i
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Silicon - The Internet's Favorite Element: Crash Course Chemistry #35

1,291 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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The World Wide Web: Crash Course Computer Science #30

615 views / 0 likes - added 6 years ago

Today we’re going to discuss the World Wide Web - not to be confused with the Internet, which is the underlying plumbing for the web as well as other networks. The World Wide Web is built on the foundation of simply linking pages to other pages with hyper
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Why is Herodotus called “The Father of History”? - Mark Robinson

1,667 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-herodotus-called-the-father-of-history-mark-robinson 2,500 years ago, the writing of history as we know it didn’t exist. The past was recorded as
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A Visual History of Sports

465 views / 0 likes - added 5 years ago

The first recorded sport in history was spear throwing, which arose in 70,000 BC out of a need for ancient hunters to practice their skills. Bowling was the first known ball game, appearing in Egypt in 3,200 BC; later, there was Pitz, played by the ancien
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Intelligent Design: Crash Course Philosophy #11

857 views / 0 likes - added 7 years ago

Last week we introduced Thomas Aquinas’s four cosmological arguments for the existence of god; today we introduce his fifth argument: the teleological argument, and the ensuing dialogue it initiated. -- Bokeh Spiral by Eric Wüstenhagen: https://www.flickr
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Open World Games: Crash Course Games #22

695 views / 1 likes - added 7 years ago

Today we’re going to talk about open world games. Open world games are different than most video games because although they often have goals and tasks, they usually encourage what is known as “emergent stories.” These are stories that weren’t planned by
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Structure Of The Court System: Crash Course Government And Politics #19

982 views / 0 likes - added 8 years ago

This week Craig Benzine is going to talk about the structure of the U.S. court system and how exactly it manages to keep things moving smoothly. We’’ll talk about trial courts, district courts, appeals courts, circuit courts, state supreme courts, and of
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BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

463 views / 0 likes - added 6 years ago

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a
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Home Sweet Habitat: Crash Course Kids #21.1

1,101 views / 3 likes - added 8 years ago

How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this episode, Sabrina tal
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History Vs. Richard Nixon - Alex Gendler

1,041 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendler The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power
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Role-playing Games: Crash Course Games #18

741 views / 2 likes - added 7 years ago

Today, we’re going to explore the world of role-playing games. Role-playing games are different than most, because they’re technically a form of interactive storytelling with one player managing the game as the game master (or dungeon master), and all of
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What Is Sociology?: Crash Course Sociology #1

609 views / 0 likes - added 7 years ago

Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what sociology can do, and ho
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A brief history of dogs - David Ian Howe

942 views / 1 likes - added 5 years ago

Trace the history of how wolves, one of humanity’s oldest rivals, evolved into the domesticated dogs we call “man’s best friend.” -- Since their emergence over 200,000 years ago, modern humans have established communities all over the planet. But they did
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History of Bionics

917 views / 1 likes - added 8 years ago

The history of bionics **** SOURCES AND LINKS **** Nyctalope http://www.coolfrenchcomics.com/nyctalope.htm Cyborg http://www.theatlantic.com/technology/archive/2010/09/the-man-who-first-said-cyborg-50-years-later/63821/ http://web.mit.edu/digitalapollo/Do
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The History Of Museums - J. V. Maranto

745 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over 2,000 years -- but they weren't always like the ones we visit today. J.V. Maranto uncovers the evolution of museums, from the
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Edison & Tesla: "The Future is Electric" | SUNG HISTORY

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The future is definitely electric, but will it be AC or DC?CLICK HERE FOR MORE SUNG HISTORY: http://bit.ly/20RsTAkGet "The Future is Electric" on iTunes: http://apple.co/1mUatwcGet the whole "Sung History" album on iTunes: http://apple.co/1mUatwcGet the w
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Water and Solutions -- for Dirty Laundry: Crash Course Chemistry #7

1,581 views / 0 likes - added 9 years ago

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none of the chemical reactions t
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How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40

383 views / 0 likes - added 4 years ago

This week were going underground to explore geotechnical and seismic engineering. Well look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing capacity. Well see h
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How horses changed history - William T. Taylor

743 views / 0 likes - added 1 year ago

Explore how the domestication of horses influenced the fate of entire civilizations and dramatically altered human history.--People have been captivated by horses for a long time. They appear more than any other animal in cave paintings dating back 30,000
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A brief history of dumplings - Miranda Brown

200 views / 0 likes - added 1 year ago

Trace the diverse and delicious history of dumplings, from their first recorded origins to their spread across the Asian continent and beyond.--As archaeologists pored over ancient tombs in western China, they discovered some surprisingly well-preserved a

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